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40f06c7995
linux/fs/ceph
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Linus Torvalds 40f06c7995 Changes to copy_file_range for 5.3 from Dave and Amir: 
- Create a generic copy_file_range handler and make individual
   filesystems responsible for calling it (i.e. no more assuming that
   do_splice_direct will work or is appropriate)
 - Refactor copy_file_range and remap_range parameter checking where they
   are the same
 - Install missing copy_file_range parameter checking(!)
 - Remove suid/sgid and update mtime like any other file write
 - Change the behavior so that a copy range crossing the source file's
   eof will result in a short copy to the source file's eof instead of
   EINVAL
 - Permit filesystems to decide if they want to handle cross-superblock
   copy_file_range in their local handlers.
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Merge tag 'copy-file-range-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull copy_file_range updates from Darrick Wong:
 "This fixes numerous parameter checking problems and inconsistent
  behaviors in the new(ish) copy_file_range system call.

  Now the system call will actually check its range parameters
  correctly; refuse to copy into files for which the caller does not
  have sufficient privileges; update mtime and strip setuid like file
  writes are supposed to do; and allows copying up to the EOF of the
  source file instead of failing the call like we used to.

  Summary:

   - Create a generic copy_file_range handler and make individual
     filesystems responsible for calling it (i.e. no more assuming that
     do_splice_direct will work or is appropriate)

   - Refactor copy_file_range and remap_range parameter checking where
     they are the same

   - Install missing copy_file_range parameter checking(!)

   - Remove suid/sgid and update mtime like any other file write

   - Change the behavior so that a copy range crossing the source file's
     eof will result in a short copy to the source file's eof instead of
     EINVAL

   - Permit filesystems to decide if they want to handle
     cross-superblock copy_file_range in their local handlers"

* tag 'copy-file-range-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  fuse: copy_file_range needs to strip setuid bits and update timestamps
  vfs: allow copy_file_range to copy across devices
  xfs: use file_modified() helper
  vfs: introduce file_modified() helper
  vfs: add missing checks to copy_file_range
  vfs: remove redundant checks from generic_remap_checks()
  vfs: introduce generic_file_rw_checks()
  vfs: no fallback for ->copy_file_range
  vfs: introduce generic_copy_file_range()
2019-07-10 20:32:37 -07:00
..
acl.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 173 2019-05-30 11:26:40 -07:00
addr.c ceph: use vmf_error() in ceph_filemap_fault() 2019-01-07 22:48:48 +01:00
cache.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 188 2019-05-30 11:29:21 -07:00
cache.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 188 2019-05-30 11:29:21 -07:00
caps.c ceph: fix error handling in ceph_get_caps() 2019-06-05 20:34:39 +02:00
ceph_frag.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debugfs.c libceph: make ceph_pr_addr take an struct ceph_entity_addr pointer 2019-05-07 19:43:05 +02:00
dir.c ceph: ensure d_name stability in ceph_dentry_hash() 2019-04-23 21:37:54 +02:00
export.c ceph: snapshot nfs re-export 2019-05-07 19:22:36 +02:00
file.c vfs: allow copy_file_range to copy across devices 2019-06-09 10:06:20 -07:00
inode.c ceph: avoid iput_final() while holding mutex or in dispatch thread 2019-06-05 20:34:39 +02:00
ioctl.c libceph, ceph: move ceph_calc_file_object_mapping() to striper.c 2018-04-02 10:12:43 +02:00
ioctl.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
locks.c ceph: remove duplicated filelock ref increase 2019-05-07 19:22:36 +02:00
Makefile ceph: quota: add initial infrastructure to support cephfs quotas 2018-04-02 11:17:51 +02:00
mds_client.c ceph: fix ceph_mdsc_build_path to not stop on first component 2019-06-27 18:27:36 +02:00
mds_client.h ceph: have ceph_mdsc_do_request call ceph_mdsc_submit_request 2019-05-07 19:22:37 +02:00
mdsmap.c libceph: make ceph_pr_addr take an struct ceph_entity_addr pointer 2019-05-07 19:43:05 +02:00
quota.c ceph: avoid iput_final() while holding mutex or in dispatch thread 2019-06-05 20:34:39 +02:00
snap.c ceph: avoid iput_final() while holding mutex or in dispatch thread 2019-06-05 20:34:39 +02:00
strings.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
super.c ceph: single workqueue for inode related works 2019-06-05 20:34:39 +02:00
super.h ceph: avoid iput_final() while holding mutex or in dispatch thread 2019-06-05 20:34:39 +02:00
xattr.c ceph: support getting ceph.dir.pin vxattr 2019-03-05 18:55:16 +01:00